Binnacle School
USCG License Exam Prep
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Now with Classes: create a group, share a join code, and track each student's progress. Plus pass-to-unlock modules and Apple, Google, or email sign-in.
Binnacle School — USCG Captain's License Exam Prep
Study for your U.S. Coast Guard captain's license the way the exam actually works: by module, at your own pace, with an explanation on every question. Whether you're going for an OUPV / Six-Pack, OUPV-Master, or a 100- or 200-Ton Master credential, Binnacle School breaks the written exam into the same categories the Coast Guard tests.
WHAT YOU STUDY
- Navigation Rules (COLREGS / Inland) — lights, shapes, sound signals, give-way and stand-on. The most heavily weighted module on every deck exam.
- Navigation General — piloting, tides and currents, aids to navigation, dead reckoning.
- Deck General — seamanship, ground tackle, stability, firefighting, vessel construction.
- Chart Plotting — set and drift, course to steer, lines of position, fixing your position.
- Meteorology and Safety, scaling up to Celestial Navigation and Radar for the 200-Ton exam.
FREE TO START
Three full modules — Rules of the Road, Safety, and Meteorology — are open to everyone, no account required. Get free daily practice with an explanation from the built-in tutor.
PASS TO UNLOCK
Clear a module (80% over 20+ questions) and the next one opens. Build toward your specific license target one category at a time, in the sequence the exam follows.
INTERACTIVE TRAINERS
Drill the visual, hands-on parts the way they're tested: navigation lights, knots, chart work, celestial sights, stability, maneuvering boards, and tides.
CLASSES
Teaching a license course? Create a class, share a join code, and track every student's accuracy, attempts, and activity from one roster. Open specific modules for your students as they're ready.
GO PRO
Unlock every module, remove daily limits, and get unlimited tutor explanations.
Sign in with Apple, Google, or a one-time email code. Fair winds and a following sea.
Ratings & Reviews
- Classes & instructor tools: create a class, share a join code, and track every student's progress — accuracy, attempts, and last activity — from one roster. Open specific modules for your students as they're ready.
- Category progression: pass a module (80% over 20+ questions) to unlock the next and build toward your license target in the right order.
- New Profile screen: view your subscription status, manage or restore your Pro purchase, and handle your account in one place.
- More ways to sign in: alongside Sign in with Apple, you can now use Google or a one-time email code.
- More free daily practice, so you can clear a full module in a single sitting.
- Stability and polish throughout.
The developer, John Thomas, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- John Thomas
- Size
- 3.1 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Binnacle School Premium $29.99
- Lifetime Access $79.99
- Binnacle School Premium $4.99
- Copyright
- © 2026 Ikena Group